it's what makes a subaru, a subaru. >>> lawmakers are asking homeland security secretary about what's going on up on capitol hill, what role did islam play in tamerlan's involvement in the boston marathon bombings. we're going to get to what's happening up on capitol hill. stand by for a moment. let's take a closer look at brian todd's report on islam and these two suspected terrorists. >> reporter: new information on tamerlan tsarnaev's perspective on islam. friday, a mosque leader is giving a service. according to mosque officials it was too much for tamerlan tsarnaev. >> some people said that he said something to the effect you cannot, you know, compare or make a parallel between our prophet and a nonmuslim. some people said that he referred to the person who was giving the sermon as a hypocrite. >> reporter: he says the disruption was a clear violation of mosque etiquette. they told him to back off. it was the second time he objected to something said at a sermon. we presspress ed them. were there any red flags? >> i'm sure you can understand how people who are merely acquainted w